Vacuum bottle



FIG. 1 is a perspective view of a vacuum bottle showing my new design;

FIG. 2 is a front elevational view thereof, the opposite side, a left and a right sides being a mirror image;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

I claim the ornamental design for the vacuum bottle, as shown and described. 